GSD-2022-1004230 NFSv4: Add an fattr allocation to _nfs4_discover_trunking()
A missing memory allocation in the Linux Kernel NFSv4 trunking discovery function can lead to a null pointer dereference and system crash.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004230?
GSD-2022-1004230 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NFSv4: Add an fattr allocation to _nfs4_discover_trunking()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.10 by commit 2f42531f545f2670192b894d14d50e0539e47e24, it was introduced in version v5.18.3 by commit 6015292653d95ba9f72906e2b65e536aa5807d64. For more details please see the references link.
Which versions are affected by GSD-2022-1004230?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004230?
No fix has been published for GSD-2022-1004230 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004230 being exploited?
There is no known exploitation of GSD-2022-1004230 in the wild and no public exploit code.